Port Allegany borough, Pennsylvania

Official LSAD Designation: Port Allegany borough • Census GEOID: 4262088 • McKean County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Port Allegany borough.

Reference Weather Station: PORT ALLEGANY, PA US (ID: USC00367103) • Located 0.6 miles from community center • Elevation: 449.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	31.0°	13.6°	22.3°	3.05"
February	33.8°	14.5°	24.2°	2.25"
March	43.1°	22.3°	32.7°	2.98"
April	56.6°	31.3°	44.0°	3.53"
May	68.0°	42.5°	55.2°	3.83"
June	75.6°	51.7°	63.7°	4.24"
July	79.5°	55.5°	67.5°	4.53"
August	77.9°	54.5°	66.2°	4.10"
September	71.4°	48.0°	59.7°	3.69"
October	59.2°	36.9°	48.1°	3.88"
November	46.8°	28.4°	37.6°	3.27"
December	35.8°	20.6°	28.2°	3.24"

2010–2025, completed calendar years only.

NOAA station PORT ALLEGANY, PA US (ID: USC00367103) • 0.6 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	46.5	57.6	35.5
2011	47.1	57.3	36.9
2012	48.7	59.6	37.7
2013	45.7	55.6	35.7
2014	43.9	54.4	33.4
2015	45.3	56.7	33.9
2016	47.1	58.4	35.9
2017	46.3	57.5	35.0
2018	46.1	55.8	36.5
2019	45.6	56.3	35.0
2020	47.1	58.1	36.1
2021	Unavailable	Unavailable	Unavailable
2022	46.2	57.7	34.7
2023	48.1	58.7	37.6
2024	48.7	59.3	38.0
2025	46.2	57.1	35.2

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.